diff options
Diffstat (limited to 'include/sound/sdca_asoc.h')
| -rw-r--r-- | include/sound/sdca_asoc.h | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/include/sound/sdca_asoc.h b/include/sound/sdca_asoc.h index aa9124f93218..46a61a52decc 100644 --- a/include/sound/sdca_asoc.h +++ b/include/sound/sdca_asoc.h @@ -13,6 +13,8 @@ struct device; struct regmap; struct sdca_function_data; +struct snd_ctl_elem_value; +struct snd_kcontrol; struct snd_kcontrol_new; struct snd_pcm_hw_params; struct snd_pcm_substream; @@ -23,6 +25,42 @@ struct snd_soc_dai_ops; struct snd_soc_dapm_route; struct snd_soc_dapm_widget; +/* convenient macro to handle the mono volume in 7.8 fixed format representation */ +#define SDCA_SINGLE_Q78_TLV(xname, xreg, xmin, xmax, xstep, tlv_array) \ +{ \ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = (xname), \ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ + .tlv.p = (tlv_array), \ + .info = snd_soc_info_volsw, \ + .get = sdca_asoc_q78_get_volsw, \ + .put = sdca_asoc_q78_put_volsw, \ + .private_value = (unsigned long)&(struct soc_mixer_control) { \ + .reg = (xreg), .rreg = (xreg), \ + .min = (xmin), .max = (xmax), \ + .shift = (xstep), .rshift = (xstep), \ + .sign_bit = 15 \ + } \ +} + +/* convenient macro for stereo volume in 7.8 fixed format with separate registers for L/R */ +#define SDCA_DOUBLE_Q78_TLV(xname, xreg_l, xreg_r, xmin, xmax, xstep, tlv_array) \ +{ \ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = (xname), \ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ + .tlv.p = (tlv_array), \ + .info = snd_soc_info_volsw, \ + .get = sdca_asoc_q78_get_volsw, \ + .put = sdca_asoc_q78_put_volsw, \ + .private_value = (unsigned long)&(struct soc_mixer_control) { \ + .reg = (xreg_l), .rreg = (xreg_r), \ + .min = (xmin), .max = (xmax), \ + .shift = (xstep), .rshift = (xstep), \ + .sign_bit = 15 \ + } \ +} + int sdca_asoc_count_component(struct device *dev, struct sdca_function_data *function, int *num_widgets, int *num_routes, int *num_controls, int *num_dais); @@ -57,5 +95,8 @@ int sdca_asoc_hw_params(struct device *dev, struct regmap *regmap, struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai); - +int sdca_asoc_q78_put_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int sdca_asoc_q78_get_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); #endif // __SDCA_ASOC_H__ |